home / study / science / biology / questions and answers / whichof the following best explains why atp is ... Question: Which ofthe following BEST explains why ATP is a ... Save Which of thefollowing BEST explains why ATP is a positive regulator ofaspartate transcarbamoylase (ATCase)? A. Aspartate is onlyavailable when ATP levels are high. B. ATP levels correspond to CTPlevels, thus when both ATP and CTP are high, ATCase is active. C.Nucleic acids should only be produced when ATP levels are high. D.ATP always converts allosteric enzymes from the T state to the Rstate. E. None of the answers is correct.
